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UTMB World Series Events

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Oceania

14 - 15 February 2026

14 - 17 May 2026

26 - 28 November 2026

North America

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Asia

06 - 08 March 2026

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Stef CUSTERS

Nationality

Netherlands

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

478

476

-

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

01.25.2026

Houffatrail 2026 - Houffa Trail 18km

20K

18 KM
605 M+

01:51:55

94 / 434

82 / 279

01.24.2026

Houffatrail 2026 - Houffa Night Trail 11km

-

11 KM
258 M+

01:07:40

96 / 233

75 / 132

01.26.2025

Houffatrail 2025 - Houffa Trail 28km

20K

28 KM
800 M+

03:19:49

236 / 461

212 / 359

01.25.2025

Houffatrail 2025 - Houffa Trail 21km

20K

21 KM
650 M+

02:18:29

55 / 171

53 / 141

Statistics

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UTMB® World Series - Ranking of trail runners by performance level on trail running

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